While the conventional and non-conventional oil reserves are growing as growing is the oil production. the growing reserves of natural gas and the huge coal reserves make attractive the production of synthetic transportation fuels having properties similar to gasoline. diesel or jet fuels from the coal or gas feed stock. The paper discusses production and reserves of oil. https://xstolqsd8l49r.nizarblog.com/35079799/target-matrix-estimators-in-risk-based-portfolios